Merge commit 'a6f6c0e' into master.upstream

This is a partial merge of staging where we have up to date binaries for
all packages.

pkgs/development/python-modules/generic/wrap.sh

@@ -26,7 +26,7 @@ wrapPythonProgramsIn() {
     done
 
     # Find all regular files in the output directory that are executable.
-    for f in $(find "$dir" -type f -perm /0100); do
+    for f in $(find "$dir" -type f -perm -0100); do
         # Rewrite "#! .../env python" to "#! /nix/store/.../python".
         if head -n1 "$f" | grep -q '#!.*/env.*\(python\|pypy\)'; then
             sed -i "$f" -e "1 s^.*/env[ ]*\(python\|pypy\)^#! $python^"